/// <summary>
/// Create a new work item
/// </summary>
/// <param name="workItemsGroup">The WorkItemsGroup of this workitem</param>
/// <param name="wigStartInfo">Work item group start information</param>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <returns>Returns a work item</returns>
public static WorkItem CreateWorkItem(
IWorkItemsGroup workItemsGroup,
WIGStartInfo wigStartInfo,
WorkItemCallback callback,
object state)
{
ValidateCallback(callback);
WorkItemInfo workItemInfo = new WorkItemInfo();
workItemInfo.UseCallerCallContext = wigStartInfo.UseCallerCallContext;
workItemInfo.UseCallerHttpContext = wigStartInfo.UseCallerHttpContext;
workItemInfo.PostExecuteWorkItemCallback = wigStartInfo.PostExecuteWorkItemCallback;
workItemInfo.CallToPostExecute = wigStartInfo.CallToPostExecute;
workItemInfo.DisposeOfStateObjects = wigStartInfo.DisposeOfStateObjects;
workItemInfo.WorkItemPriority = wigStartInfo.WorkItemPriority;
WorkItem workItem = new WorkItem(
workItemsGroup,
workItemInfo,
callback,
state);
return(workItem);
}
/// <summary>
/// Create a new work item
/// </summary>
/// <param name="workItemsGroup">The WorkItemsGroup of this workitem</param>
/// <param name="wigStartInfo">Work item group start information</param>
/// <param name="callback">A callback to execute</param>
/// <returns>Returns a work item</returns>
public static WorkItem CreateWorkItem(
IWorkItemsGroup workItemsGroup,
WIGStartInfo wigStartInfo,
WorkItemCallback callback)
{
return(CreateWorkItem(workItemsGroup, wigStartInfo, callback, null));
}
public WorkItemsGroup(
SmartThreadPool stp,
int concurrency,
WIGStartInfo wigStartInfo)
{
if (concurrency <= 0)
{
throw new ArgumentOutOfRangeException(
"concurrency",
#if !(_WINDOWS_CE) && !(_SILVERLIGHT) && !(WINDOWS_PHONE)
concurrency,
#endif
"concurrency must be greater than zero");
}
_stp = stp;
_concurrency = concurrency;
_workItemsGroupStartInfo = new WIGStartInfo(wigStartInfo).AsReadOnly();
_workItemsQueue = new PriorityQueue();
Name = "WorkItemsGroup";
// The _workItemsInStpQueue gets the number of currently executing work items,
// because once a work item is executing, it cannot be cancelled.
_workItemsInStpQueue = _workItemsExecutingInStp;
_isSuspended = _workItemsGroupStartInfo.StartSuspended;
}
public WIGStartInfo(WIGStartInfo wigStartInfo)
{
_useCallerCallContext = wigStartInfo.UseCallerCallContext;
_useCallerHttpContext = wigStartInfo.UseCallerHttpContext;
_disposeOfStateObjects = wigStartInfo.DisposeOfStateObjects;
_callToPostExecute = wigStartInfo.CallToPostExecute;
_postExecuteWorkItemCallback = wigStartInfo.PostExecuteWorkItemCallback;
_workItemPriority = wigStartInfo.WorkItemPriority;
_startSuspended = wigStartInfo.StartSuspended;
_fillStateWithArgs = wigStartInfo.FillStateWithArgs;
}
/// <summary>
/// Create a new work item
/// </summary>
/// <param name="workItemsGroup">The work items group</param>
/// <param name="wigStartInfo">Work item group start information</param>
/// <param name="workItemInfo">Work item information</param>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <returns>Returns a work item</returns>
public static WorkItem CreateWorkItem(
IWorkItemsGroup workItemsGroup,
WIGStartInfo wigStartInfo,
WorkItemInfo workItemInfo,
WorkItemCallback callback,
object state)
{
ValidateCallback(callback);
ValidateCallback(workItemInfo.PostExecuteWorkItemCallback);
WorkItem workItem = new WorkItem(
workItemsGroup,
new WorkItemInfo(workItemInfo),
callback,
state);
return(workItem);
}
